Home Health 10 Gross Side Effects You Might Experience on the Keto Diet

10 Gross Side Effects You Might Experience on the Keto Diet


You might have heard that following the keto diet can help you lose weight fast. But before you try the ketogenic diet, you’ll want to be aware of the side effects.

The keto diet requires following a strict high-fat, high-protein, low-carb regimen. A typical keto diet is comprised of 80% fat, 15% protein, and a mere 5% of calories from carbohydrates. If you consume 2,000 calories a day, that means just 100 of them are coming from carbs—and that figure does include healthy carbs like fruits and vegetables. When you eat this way, it triggers ketosis, which means your body has burned through all its carbs and needs to begin burning fat for energy.

Yes, eating this way can make you drop pounds, as plenty of celebrities and people on social media have claimed. But that’s not the only thing that can happen when you drastically slash your carbs and up your fat and protein.

Indeed, there might be some keto diet side effects that you aren’t aware of. Some of them are positives, but a few could be unpleasant—or even dangerous. Here’s what you should know about keto diet dangers before you start this high-fat, high-protein diet.

1u might start out feeling tried and sick

keto diet side effects - fatigue

Keto flu is a thing, people. Cutting your carbs to the bone and going into a state of ketosis can bring on a cluster of uncomfortable symptoms—like headaches, fatigue, muscle aches, nausea, and diarrhea. The side effects are the result of your body transitioning to using fat as its primary source of energy instead of carbs, explains Kristen Mancinelli, RD, author of The Ketogenic Diet. Once it adapts to the new fuel source (usually within a week or two), you’ll start to feel better.



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